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rn 
the feveral Frbres, which run by the length of the Stalk, are alfo con- 
joyned by other fmaller ones, which ftand tranfverfly. 
4. §. Whether they are Aer-Veffels, or Sap-Vefféls, is dubious. For; 
on the one hand, becaufe they emit no Sap, or bleed not,and alfo ftand 
adjacent tothe Aers *tis probable that they are Aer-Vefféls. On the 
other hand, they may be Sap-Vefels; notwithftanding that they bleed 
not; Becaufe the non-emiffion of Sap is nof an infallible and concluding 
argument of an Aer-Vefel. For there are fome Plants which bleed not. 
Which yet are furnifhed with sap-Veféls, as certainly as any others 
(4) B. 2. which bleed. (2) 
P.I.¢3. 5, §. The Skinz of the Truxk is fometimes vifibly porous. But no 
§. 22. where more, than in the better ‘fort of walking Canes; where the 
Pores are fo big, as to be vifible even to the naked Eye: like to thofe, 
Tab, 20, Which are obferyable in feveral parts of the Ball of the Hand, and up- 
“on the ends of the Fingers and Toes. < 
6. §. THE Maiz Body of the Barque confifteth likewife of two 
Parts, C. Parenchyma, and Vefféls. The Parenchyma is made up of an 
innumerable company of {mall Bladders clufter'd together. Differing 
Lab. 22.6 in nothing from thofe aforefaid in the Skéw5 faving, that they are much 
Sequert. larger 5 and generally rounder. 
7. $- This Parenchyma of the Barque is the fame, as to its Sub- 
ance, both in the Root and Truwk, Yet as to the Texture of its Parts, 
inthe ove, and in the other, there is This obfervable difference, viz, 
That in the Barque of the Root, cut tranfverfly, the faid Parenchyma 
(as hath been fhew’d ) is ufually, more or lef, difpofed into Diametral 
Tab. 7,8,9. Rays 5 running through the Barque, after the fame manner, as do the 
ee" the Hour-Lines through the Margin of the Diul-plate of a Clock or 
Watch: asin Mar(b-Mallow, Lovage, Melilot, and others. Whereas 
here in the Bargque of the Trunk, the faid Parenchyma is rarely thus 
Tab. 22, difpofed into Dimetral Rays: Nor when it is, are thofe Rays continued 
& Seq. tothe Circumference of the Bargue 5 as in the Barque of the Root they 
Tub frequently are. So in Rhws or Sumach, although part of the Parez- 
4°.31,349 chysa be difpos'd into Diametral Rays: yet are thofe Rays extended 
ne, not half way through the Berque. So alfo in Fig-tree, Worm-wood, 
Thiftle, and others, What is further obfervable in the Texture of the 
Parenchyma, 1 fhall fhew in the defcription of the Pith. 
8. §. THE Vefels of the Bargue, are, as I fhall alfo thew, diver- 
fifyed many ways. But there are fome Things, wherein, in all Sorts 
of Plants, they agree. Firft, in ftanding, moft numeroufly, in or near, 
the inner Margin of the Barque. Secondly, in being always, and only 
Sap-Veffels, Ihave viewed {o many, that at leaft, I can fecurely affirm 
thus much, That ifthere be any Heteroclital Plants, wherein they are 
found otherwife, there isnot Oxe, in Five Hundred. Thirdly, in be- 
ing always Conjugated or Braced together in the form of Net-work, Al- 
though the Number and Diftances of the Braces, are very different: as 
Thavealready thewed in the Avatomy of Roots. 
9. §. THE Properties, whereby the faid Vefels of the Barque are 
fpecificated and diftinguifhed one from another, both in the fame 
Plant, and in the feveral Species of Plants, are very many. Which 
Properties, are not Accidental, but fuch as thew the. Conftant and 
Univerfal Defign of Nature. All which thall be demonftrated by the 
Defeription of feveral Quarters of the Siices, of fo many king of 
ranches 
Chap. 3. 
Tab. 6. 


